spotify-manager/api/axios.js

const axios = require("axios");
const rateLimit = require("axios-rate-limit");

const { baseAPIURL, accountsAPIURL } = require("../constants");
const logger = require("../utils/logger")(module);

const authInstance = axios.create({
  baseURL: accountsAPIURL,
  timeout: 20000,
  headers: {
    "Content-Type": "application/x-www-form-urlencoded",
    "Authorization": "Basic " + (Buffer.from(process.env.CLIENT_ID + ":" + process.env.CLIENT_SECRET).toString("base64"))
  },
});

const uncappedAxiosInstance = axios.create({
  baseURL: baseAPIURL,
  timeout: 20000,
  headers: {
    "Content-Type": "application/json"
  },
});

const axiosInstance = rateLimit(uncappedAxiosInstance, {
  maxRequests: 10,
  perMilliseconds: 5000,
});

axiosInstance.interceptors.request.use(config => {
  logger.http("API call", {
    url: config.url,
    method: config.method,
    params: config.params ?? {},
    headers: Object.keys(config.headers),
  });
  return config;
});

axiosInstance.interceptors.response.use(
  (response) => response,
  (error) => {
    logger.warn("AxiosError", {
      error: {
        name: error.name,
        code: error.code,
        message: error.message,
      },
      req: error.config,
    });
    return Promise.reject(error);
  }
);

module.exports = {
  authInstance,
  axiosInstance
};